Analysis
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max time kernel
141s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
10-05-2024 09:47
Static task
static1
Behavioral task
behavioral1
Sample
bc0830b3d105954fd3a9361a230fcd39dc3e1fae9de5ab65314db1917a5ba702.exe
Resource
win10v2004-20240426-en
General
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Target
bc0830b3d105954fd3a9361a230fcd39dc3e1fae9de5ab65314db1917a5ba702.exe
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Size
372KB
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MD5
e77e0b96b07fde5744943779f76e7295
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SHA1
c1c7ced8c4ef15311d1dbe27625fd9f29953bb73
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SHA256
bc0830b3d105954fd3a9361a230fcd39dc3e1fae9de5ab65314db1917a5ba702
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SHA512
2aa78c3060dc4c4e8e1dd71d2e7aee1754b0a2f568bd635737e5b25709715cffdf77c328f2b1bf97fb0b9787fb00a2410a31511ba0e59148e5878d67dbe92b91
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SSDEEP
6144:ipFxc1jv9NVJYCdB7H2CatlcKxtgIxvO6nuotVmUn5f9MyEITzvT7l:ipFxQVTJYcB71YtgIxvO6uorDTL3Tfl
Malware Config
Extracted
stealc
http://185.172.128.150
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url_path
/c698e1bc8a2f5e6d.php
Signatures
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Detect ZGRat V1 3 IoCs
resource yara_rule behavioral1/memory/4408-110-0x0000023994FE0000-0x0000023998814000-memory.dmp family_zgrat_v1 behavioral1/memory/4408-131-0x00000239B3F70000-0x00000239B407A000-memory.dmp family_zgrat_v1 behavioral1/memory/4408-135-0x00000239B2CF0000-0x00000239B2D14000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation u218.1.exe Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation bc0830b3d105954fd3a9361a230fcd39dc3e1fae9de5ab65314db1917a5ba702.exe -
Executes dropped EXE 2 IoCs
pid Process 3596 u218.0.exe 1820 u218.1.exe -
Loads dropped DLL 2 IoCs
pid Process 3596 u218.0.exe 3596 u218.0.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 3696 2636 WerFault.exe 81 624 3596 WerFault.exe 93 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u218.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u218.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u218.1.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u218.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u218.0.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 3596 u218.0.exe 3596 u218.0.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 1820 u218.1.exe 1820 u218.1.exe 1820 u218.1.exe 1820 u218.1.exe 1820 u218.1.exe 1820 u218.1.exe 1820 u218.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 1820 u218.1.exe 1820 u218.1.exe 1820 u218.1.exe 1820 u218.1.exe 1820 u218.1.exe 1820 u218.1.exe 1820 u218.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2636 wrote to memory of 3596 2636 bc0830b3d105954fd3a9361a230fcd39dc3e1fae9de5ab65314db1917a5ba702.exe 93 PID 2636 wrote to memory of 3596 2636 bc0830b3d105954fd3a9361a230fcd39dc3e1fae9de5ab65314db1917a5ba702.exe 93 PID 2636 wrote to memory of 3596 2636 bc0830b3d105954fd3a9361a230fcd39dc3e1fae9de5ab65314db1917a5ba702.exe 93 PID 2636 wrote to memory of 1820 2636 bc0830b3d105954fd3a9361a230fcd39dc3e1fae9de5ab65314db1917a5ba702.exe 96 PID 2636 wrote to memory of 1820 2636 bc0830b3d105954fd3a9361a230fcd39dc3e1fae9de5ab65314db1917a5ba702.exe 96 PID 2636 wrote to memory of 1820 2636 bc0830b3d105954fd3a9361a230fcd39dc3e1fae9de5ab65314db1917a5ba702.exe 96 PID 1820 wrote to memory of 4408 1820 u218.1.exe 101 PID 1820 wrote to memory of 4408 1820 u218.1.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\bc0830b3d105954fd3a9361a230fcd39dc3e1fae9de5ab65314db1917a5ba702.exe"C:\Users\Admin\AppData\Local\Temp\bc0830b3d105954fd3a9361a230fcd39dc3e1fae9de5ab65314db1917a5ba702.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2636 -
C:\Users\Admin\AppData\Local\Temp\u218.0.exe"C:\Users\Admin\AppData\Local\Temp\u218.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3596 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3596 -s 22883⤵
- Program crash
PID:624
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C:\Users\Admin\AppData\Local\Temp\u218.1.exe"C:\Users\Admin\AppData\Local\Temp\u218.1.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1820 -
C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe"C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD13⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4408
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 16162⤵
- Program crash
PID:3696
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2636 -ip 26361⤵PID:396
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3596 -ip 35961⤵PID:4964
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
11KB
MD5a33e5b189842c5867f46566bdbf7a095
SHA1e1c06359f6a76da90d19e8fd95e79c832edb3196
SHA2565abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
SHA512f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
230KB
MD53fb9035368d04ac2ac3adab9ce20d61c
SHA1d1b8c0ff81ea938bd8d33fa429f057f3a6fe8795
SHA256566cda535fe8f8c0d3477479b7f3b6621204b3de2724da2a7cf3aedd52a0a9df
SHA512f13b40137f21e93f336910dc6e739936ba3283d5b682f6b54c41a87ee8ddda853e8d5cb15439b785db18b1422d995fb9a126c5f1af0c2c4134e948f1305c51c3
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954